Is this a function? {(-1,3); (-2,-3); (2,0); (0,2)}

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Is this a function?
{(-1,3); (-2,-3); (2,0); (0,2)}

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Nho 6 months 2021-08-10T20:35:33+00:00 1 Answers 1 views 0

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    2021-08-10T20:37:22+00:00

    Yes, because the x’s aren’t repeated

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )